package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * @author durant
 * @create 2021-12-06 19:08
 * @Description:
 */
@RestControllerAdvice
@Slf4j
@ControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {
    // 集中处理所有异常

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        BindingResult result = e.getBindingResult();
        Map<String, Object> map = new HashMap<>();
            result.getFieldErrors().forEach((item) -> {
//                封装成map进行fanhui

                String message = item.getDefaultMessage();
                String field = item.getField();
                map.put(field, message);


        });
            log.error("数据校验出现问题{}，异常类型：{}", e.getMessage(), e.getClass());
            return R.error(BizCodeEnume.VALID_EXCEPTION.getCode(),BizCodeEnume.VALID_EXCEPTION.getMsg()).put("data", map);
        }



    @ExceptionHandler(value = Throwable.class)
    public R handlerException(Throwable throwable){
        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(),BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }
}
